Luiz Felipe Scolari's men have now secured only one victory in the last four games.

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All smiles: Deco believes his Chelsea team-mates can revive their title push

However, Portugal midfielder Deco maintains Chelsea can turn things around in 2009.

'I know that we have not been 100% in the last few matches and we have missed some chances to be top of the table, but the most important time to be top is at the end of the season and I believe that this team will finish as champions,' he said.

'Scolari has not changed, he is still a strong man and is the same coach as he was at the start of the season when everyone was praising him.